ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,441, issued on July 28, was assigned to Merck Patent GmbH (Darmstadt, Germany).
"Liquid-crystal medium" was invented by Sven Christian Laut (Shanghai) and Sabine Schoen (Darmstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Liquid-crystalline (LC) media having positive dielectric anisotropy and liquid-crystal displays (LCDs) containing these media, especially displays addressed by an active matrix and in particular to LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS PS-FFS, SA-HB-FFS, polymer stabilised SA-HB-FFS, positive VA or positive PS-VA type."
The patent was filed on Oct. 14, 2021, under Application No. 17...